33233320212 has 12 divisors (see below), whose sum is σ = 77544413856. Its totient is φ = 11077773400.

The previous prime is 33233320189. The next prime is 33233320279. The reversal of 33233320212 is 21202333233.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33233320212² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1384721664 + ... + 1384721687.

It is an arithmetic number, because the mean of its divisors is an integer number (6462034488).

Almost surely, 2^33233320212 is an apocalyptic number.

It is an amenable number.

33233320212 is an abundant number, since it is smaller than the sum of its proper divisors (44311093644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33233320212 is a wasteful number, since it uses less digits than its factorization.

33233320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769443358 (or 2769443356 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 33233320212 its reverse (21202333233), we get a palindrome (54435653445).

The spelling of 33233320212 in words is "thirty-three billion, two hundred thirty-three million, three hundred twenty thousand, two hundred twelve".